Patents by Inventor Othmar Aigner

Othmar Aigner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Speech detection device for detecting a speech signal in an input signal
    Patent number: 6654450
    Abstract: In a speech detection device (13) for detecting a speech signal (SS) in an input signal (ES), including input means (14) arranged to receive an input signal (ES) which can contain a speech signal (SS) and/or a tone signal (CNG, BSY), and including processing means (15) for processing the input signal (ES) and for supplying at least first and second characteristic information (FS1, FS2, FS3, FS4) of the input signal (ES), and including threshold test means (16) for checking whether the first and the second characteristic information (FS1, FS2, FS3, FS4) exceed a threshold value and for supplying at least one item of detection information (D1, D2, D3, D4), and including evaluation means (17) for evaluating the at least one item of detection information (D1, D2, D3, D4) and for supplying speech detection information (SDI) which is characteristic of the presence of a speech signal (SS) in the input signal (ES), the processing means (15) further include filter means (22) adapted to extract a first frequency band s
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: November 25, 2003
    Assignee: Sagem SA
    Inventors: Othmar Aigner, Christian Fleischer